Nature Communications (Dec 2016)

Environmental variation and the evolution of large brains in birds

  • Ferran Sayol,
  • Joan Maspons,
  • Oriol Lapiedra,
  • Andrew N. Iwaniuk,
  • Tamás Székely,
  • Daniel Sol

DOI
https://doi.org/10.1038/ncomms13971
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 8

Abstract

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Environmental variation has been hypothesized to favour the evolution of large brains capable of adjusting behaviour to changing circumstances. Here, Sayolet al. find that across more than 1200 bird species, species with relatively large brains are indeed associated with more variable habitats.